High Power Laser and Particle Beams, Volume. 37, Issue 2, 021005(2025)

Water-cooling system development and its high precision water temperature control for Anhui University Free Electron Laser & High Magnetic Field device

Fan Chen1, Tianbai Deng1, Zhongxiang Xu1, Jun Tao1, Shichuan Ding1, Tianhong Pan1, Dongyang Liu1, Junfeng Wu2, and Siyue Chen1、*
Author Affiliations
  • 1Center of Free Electron Laser & High Magnetic Field, Anhui University, Hefei 230601, China
  • 2Hefei General Machinery Research Institute Co., Ltd., Hefei 230031, China
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    Figures & Tables(10)
    Schematic layout of Free Electron Laser & High Magnetic Field device at Anhui University
    3-D diagram of the constant temperature water cooling system of the Free Electron Laser & High Magnetic Field device at Anhui University
    Piping and instrument diagram of the thermostatic water-cooling system of the Free Electron Laser & High Magnetic Field device at Anhui University
    Sensor-based control principles for PID systems
    Constant temperature and precision control scheme diagram of 25 ℃ constant-temperature water-cooling system
    Hardware architecture diagram of EPICS-based water cooling system control
    Cooling water control system OPI interface
    Water-cooling system temperature control accuracy test results
    • Table 1. Flow distribution by halls

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      Table 1. Flow distribution by halls

      position42 ℃ water cooling capacity/kW42 ℃ water flow/(t/h)25 ℃ water cooling capacity/kW25 ℃ water flow/(t/h)
      FEL hall18365030
      auxiliary hall245030
      total204010060
    • Table 2. Design and calculation of main pipelines for constant temperature water-cooling system

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      Table 2. Design and calculation of main pipelines for constant temperature water-cooling system

      system namewater temperature and control accuracy/℃dissipation of heat/kWwater volume for given branch/(m3/h)temperature rise of given water/℃designed flow rate/(m/s)designed pipe diameter/mmpipe diameter rounding/mmtube flow rate/(m/s)
      FEL hall25±0.550301.43272.84801.67
      auxiliary hall25±0.550301.43259.47651.67
      FEL hall42±0.118360.43279.791001.27
      auxiliary hall42±0.1240.43226.60321.38
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    Fan Chen, Tianbai Deng, Zhongxiang Xu, Jun Tao, Shichuan Ding, Tianhong Pan, Dongyang Liu, Junfeng Wu, Siyue Chen. Water-cooling system development and its high precision water temperature control for Anhui University Free Electron Laser & High Magnetic Field device[J]. High Power Laser and Particle Beams, 2025, 37(2): 021005

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    Paper Information

    Category:

    Received: Sep. 29, 2024

    Accepted: Dec. 12, 2024

    Published Online: Mar. 25, 2025

    The Author Email: Siyue Chen (22302@ahu.edu.cn)

    DOI:10.11884/HPLPB202537.240347

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